Avtech AVR-EB4-B, Инструкция по эксплуатации

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Two pin sockets are provided in the central area to accept the TO-5 package. The
unconnected pin passes through one of two clearance hole in the PCB. The Anode and
Cathode pin sockets are clearly marked on the PCB. The anode pin socket is on the
left, and the cathode is on the right. An example installation is shown below:
Two TO-3 configuration are possible, one with the case connected to the anode, and
one with the case connected to the cathode. For the case-cathode configuration, this
layout is used:
53
No connection
(for physical
support of the
TO-3 pin)
Pin socket for
TO-3 Anode pin
Spring pin
connects TO-3
case to Cathode
No connection
(for physical
support of the
TO-3 case)